Voice prosthesis



FIG. 1 is a side view of the voice prosthesis;

FIG. 2 is a side view from the other side of the voice prosthesis;

FIG. 3 is a rear perspective view of the voice prosthesis as seen from above;

FIG. 4 is a front perspective view of the voice prosthesis as seen from below;

FIG. 5 is a side perspective view of the voice prosthesis as seen from the one side thereof;

FIG. 6 is a rear perspective view of the voice prosthesis as seen from below; and,

FIG. 7 is a top perspective view of the voice prosthesis as seen from above.

The broken line showing in FIG. 4 is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a voice prosthesis, as shown. 